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THE

AMERICAN JOURNAL

OF THE

MEDICAL SCIENCES.

EDITED BY

ISAAC HAYS, M.D.,

FELLOW OF THE PHILADELPHIA COLLEGE OF PHYSICIANS; MEMBER OF THE
AMERICAN MEDICAL ASSOCIATION; OF THE AMERICAN PHILOSOPHICAL SOCIETY; OF THE
ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA; ASSOCIATE FELLOW
OF THE AMERICAN ACADEMY OF ARTS AND SCIENCES,
&c. &c. &c.